Backpack security cover



FIG. 1 is a rear view of a backpack security cover in a closed configuration;

FIG. 2 is a rear view of the backpack security cover with the top extension in an open configuration;

FIG. 3 is a rear view of the backpack security cover with the top extension and right extension in an open configuration;

FIG. 4 is a rear view of the backpack security cover with the top extension, right extension, and left extension in an open configuration; and,

FIG. 5 is a rear view of the backpack security cover in an open configuration. 

CLAIM The ornamental design for backpack security cover, as shown and described. 